TC9470FN Datasheet, PDF (3/19 Pages) Toshiba Semiconductor – Modulation DA Converter with Built-in 8-Times Oversampling Digital Filter/Dynamic Digital Bass Boost/Analog Filter

Pin Function
Pin No. Symbol
1
V_DD
2
T1
3
P/ S
4
V_DA
5
RO
6
GNDA
7
VR
8
GNDA
9
LO
10
V_DA
11
ZD
12
GNDD
13
MCK
14
GNDX
I/O
Function
― Digital block power supply pin
I Test pin. Always set to “Low” level.
I Parallel/serial mode select pin
― Analog power supply pin
O Right channel analog signal output pin
― Analog GND pin
― Reference voltage pin
― Analog GND pin
O Left channel analog signal output pin
― Analog power supply pin
O Zero data detection output pin common to left and right channels
― Digital GND pin
O System clock output pin
― Crystal oscillator GND pin
15
XI
16
XO
I
Crystal oscillator connecting pins.
Generate the clock required by the system.
O
17
V_DX
― Crystal oscillator power supply pin
18
LATCH
(SM)
In serial mode, data latch signal input pin
I
In parallel mode, soft mute control pin
19
SHIFT
(EMP)
In serial mode, shift clock input pin
I
In parallel mode, de-emphasis filter control pin
20
ATT
(DBB1)
In serial mode, data input pin
I
In parallel mode, dynamic bass boost control pin 1
21
DBB2
I In parallel mode, dynamic bass boost control pin 2
22
DATA
I Audio data input pin
23
BCK
I Bit clock input pin
24
LRCK
I LR clock input pin
TC9470FN
Remarks
XI
XO
Schmidt input
Schmidt input
Schmidt input
Schmidt input
Schmidt input
Schmidt input
3
2002-02-27